Mr Ahmed is a clinical senior lecturer in the Department of Surgery and Cancer at the College and Honorary consultant in upper gastrointestinal and bariatric surgery and Clinical lead for bariatric surgery at Imperial Colege Healthcare NHS Trust.
Mr Ahmed's academic interests are in the mechanism of complications following bariatric surgery and he has a PhD analysing internal hernias following gastric bypass surgery. He has numerous research affiliations with both clinical and non-clinical teams including biomedical engineering, investgative medicine, human genetics, gastroenterology, endocrinology, vascular surgery, urology, renal medicine, and the CPSSQ.
His main clinical areas of interest are in complex revisional bariatric surgeries and he receives referrals from all over the UK and abroad for his expert skills. He has trained in general and upper GI surgery in the UK and at Stanford University and the University of Rochester in the US.
He trains other surgeons in the field of bariatric surgery and is on the faculty on numerous courses on bariatric surgery. Mr Ahmed is often consulted by other professionals and medicolegal experts for his opinions on complex bariatric surgery cases. He is on the editorial boards of the main obesity scientific journals SOARD and Obesity Surgery. He is a member of the American Society for Metabolic and Bariatric Surgery (ASMBS), International Federation of Surgery for Obesity (IFSO), Society of American Gastroenterological and Endoscopic Surgeons (SAGES), Association of Upper GI Surgeons (AUGIS), British Obesity and Metabolic Surgery Society (BOMSS).
et al., 2020, Imperial Satiety Protocol - a new non-surgical weight-loss programme, delivered in a healthcare setting, produces improved clinical outcomes for people with obesity., Diabetes Obes Metab
et al., The effect of standard versus longer intestinal bypass on GLP-1 regulation and glucose metabolism in patients with type 2 diabetes undergoing roux-en-Y gastric bypass. The long-limb study, Diabetes Care, ISSN:0149-5992
et al., 2020, Association of bariatric surgery with all-cause mortality and incidence of obesity-related disease at a population level: A systematic review and meta-analysis, Plos Medicine, Vol:17, ISSN:1549-1277
et al., 2020, Candy cane revision after Roux-en-Y gastric bypass, Surgical Endoscopy, Vol:34, ISSN:0930-2794, Pages:2076-2081
et al., 2020, Proglucagon peptide secretion profiles in type 2 diabetes before and after bariatric surgery: 1-year prospective study, Bmj Open Diabetes Research and Care, Vol:8, ISSN:2052-4897, Pages:1-10